Mirrors can be very scary, and not just when you look into them on the morning of a hangover. These everyday bits of furnishing have provided boundless material for horror movies, video games and Youtube scare videos, and no doubt will continue to do so for many years to come.

Next up to exploit our fear of mirrors is horror movie Oculus, which stars Karen Gillan (Doctor Who) and Brenton Thwaites (Home and Away) as Kaylie and Tim Russell, siblings whose lives were torn apart when their parents were murdered in their childhood. Tim was convicted of the crime, and so Kaylie seeks to exonerate him by proving that the real killer was a malevolent supernatural force lurking inside a mirror in their house. Honest, your honor.

As far as defenses go it's a little bit dubious, but in fairness there actually is an evil spirit lurking in the mirror. That is, if the new trailer for Oculus is to be believed. The cursed mirror takes center stage as both younger and older versions of Tim and Kaylie are victimized by it, and Katee Sackhoff (Battlestar Galactica) plays their mother, though she doesn't look particularly nurturing.

The trailer also comes with this poster, where Gillan's involvement acts as the main draw. Well, that and the ghost hands.

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Oculus was co-written and directed by Mike Flanagan (Absentia) and was based on a short film that he directed several years, which had an even creepier trailer and won multiple awards from different horror film festivals. The feature film also claimed a runner up prize for the Midnight Madness People's Choice Award at Toronto International Film Festival last year.

Blumhouse Productions, well-known for successful horror franchises like Insidious and Paranormal Activity, co-produced Oculus, which is set for release this spring. It's already received a lot of very positive reviews, with Bloody-Disgusting describing it as "unrelentingly terrifying," JoBlo praising it as "certainly the cleverest, and arguably the most entertaining" film to play at Midnight Madness, and Dread Central saying that it has "one of the most moving conclusions this reviewer has seen."